WIKA FLM - Handbuch (Seite 22)

GB
22 WIKA operating instructions level sensor model FFG
13445627.01 12/2010 GB/D/F
9. Float selection
9. Float selection
Spherical floats (K) Cylindrical floats (Z)
D = Limit S. G. of the
medium,
immersed float
volume 85 %
E = Nominal S. G.
of the medium,
immersed float
volume 50 %
D
E
D
E
Ø C Ø C
Ø A Ø A
B B
Note: The optimum float will be selected after a feasibility test carried out by WIKA.
Material Suits
guide
tube Ø
mm
Form Ø A
mm
B
mm
Ø C
mm
Max.
working
pressure
bar
Max.
working temp.
°C
Limit
S. G.
85 %
kg/m 3
Nominal
S. G.
50 %
kg/m 3
Stainless steel 1.4571 12 Z 44 52 15 16 200 818 1390
12 K 52 52 15 40 200 769 1307
12 K 62 61 15 32 200 597 1015
12 K 83 81 15 25 200 408 693
18 K 80 76 23 25 200 679 1155
18 K 98 96 23 25 200 597 1016
18 K 105 103 23 25 200 533 907
18 K 120 117 23 25 200 389 661
18 K 120 116 38 25 200 537 914
Titanium 3.7035 12 Z 44 52 15 16 200 720 1224
12 K 52 52 15 25 250 707 1201
12 K 52 52 15 110 250 1040 1770
12 K 62 62 15 25 250 505 859
12 K 83 81 15 25 250 278 473
18 K 80 76 23 25 250 665 1130
18 K 98 96 23 25 250 595 841
18 K 105 103 23 25 250 369 627
18 K 120 117 23 25 250 329 560
Stainless steel 1.4571 18 K 81 77 22 25 depending on medium 718 1220
E-CTFE coated 18 K 99 97 22 25 depending on medium 675 1148
18 K 106 104 22 25 depending on medium 633 1076
18 K 121 118 22 3 depending on medium 459 781
PVC 16 Z 55 54 22 3 60 798 1357
20 Z 80 79 25 3 60 537 974
Polypropylene 16 Z 55 54 22 3 80 582 989
20 Z 80 79 25 3 80 431 723
PVDF 16 Z 55 69 22 3 100 821 1396
20 Z 80 79 25 3 100 681 1157
Pharmaceutical design
Stainless steel 1.4435 17.2
K 80 88 23 16 150 790 1350
Stainless steel 1.4539 17.2 K 80 76 23 16 150 621 1056